GOST 3822-79

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  ГОСТ 3822-79

GOST 3822−79 bimetallic copper-steel Wire. Specifications (with Amendments No. 1, 2, 3)

GOST 3822−79*

Group В74

STATE STANDARD OF THE USSR

BIMETALLIC COPPER-STEEL WIRE

Specifications

Bimetallic copper-steel wire.
Specifications

OKP 12 6300

Date of introduction 1980−01−01

Resolution of the USSR State Committee for standards from 2.10.79 N 3780 date of introduction is established with 01.01.80

Limitation of actions taken by Protocol No. 4−93 of the Interstate Council for standardization, Metrology and certification (ICS 4−94)

REPLACE GOST 3822−61

* REISSUE (June 1998) with Amendments No. 1, 2, 3, approved in February 1983, August 1985, March 1989 (IUS 5−83, 11−85, 7−89)
This standard applies to round bimetallic copper-steel wire, used for overhead lines are weak and heavy current and for the manufacture of wires.

(Changed edition, Rev. N 3).

1. THE TYPES, BASIC PARAMETERS AND DIMENSIONS

1.1. Wire produced in dependence on a value of electric resistance and thickness of the copper shell brands: BSMG, БСМ0, БСМ1, БСМ2.

(Changed edition, Rev. N 3).

1.2. The nominal diameter of the wire and limit deviation shall be as specified in table.1.

Table 1

mm

1.3. The roundness of the wire must not exceed the limit deviation for diameter.

Example of designation of bimetallic copper-steel wire, stamps БСМ0, with a diameter of 2.00 mm:

Wire of 2.00 FRF 0 GOST 3822−79

2. TECHNICAL REQUIREMENTS

2.1. Bimetallic copper-steel wire shall be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.

(Changed edition, Rev. N 2).

2.2. Core wire shall be manufactured of steel grade 15G and 25G according to GOST 4543−71.

The shell of the wire shall be made of copper brand M0k, M1K, M1B and M1 according to GOST 859−78*.
_________________
* On the territory of the Russian Federation GOST 859−2001. — Note the manufacturer’s database.

2.3. The copper jacket of the wire should be continuous, without captivity, sinks, sunsets, delamination, blistering and cracking off the core.

On the surface of the wire allowed the dings and risks to a depth of no more than half of the limit deviation for diameter and remnants of drawing lubricants.

2.4. Temporary tear resistance, number of bends and torsions must conform to the standards specified in table.2.

Table 2

Note. The rules on the number of bends wire brand BSMG are 01.07.94.
(Changed edition, Rev. N 2, 3).

2.5. Grip the copper shell with a steel core should be strong. The copper jacket shall not crack and flake off from the core in a helical winding on a cylindrical rod with a diameter equal to the diameter of the wire.

On the surface of the wound wire allowed the pulverized shedding copper.

2.6. Electrical resistance wire DC at 20 °C shall be those specified in table.3.

At the ends of the coil wire with a length of up to 3% of the total length of a coil increases electrical resistance should not be more than 15% of the limits specified in table.3.

Customer’s request wire diameter of 1.20 mm for the manufacture of wire communication, PSIBAR, PSBA, PSBP must be manufactured without increasing the electrical resistance at the ends of the skeins.

Table 3

2.7. The thickness of the copper sheath of the wire is specified in table.4.

Table 4

mm

2.6, 2.7. (Changed edition, Rev. N 3).

2.8. The wire should be wound into skeins. A coil consists of a single segment wire. Winding of wire should be carried out without entanglement of the coils and to permit the free unwinding of the wire from the coils.

The ends of the wire on a reel should be easy to find.

Allowed for the strings contact network manufacturer of wire into segments of length less than 3 m.

2.9. The mass of the segment of wire on a reel and internal diameter of coil shall be as specified in table.5.

Table 5

Notes:

1. Allowed bags weighing 50% less than specified in table.5 not more than 10% of the mass of the party.

2. Customer’s request wire diameter of 1.20 mm for wire connection, PSIBAR, PSBA, PSBP must be a lot of roll not less than 10 kg.


(Changed edition, Rev. N 3).

2.10. (Deleted, Rev. N 2).

3. ACCEPTANCE RULES

3.1. Wire is accepted by the parties. The party should consist of skeins of the same diameter, same brand and designed a quality document, which States:

is the trademark or name and trademark of manufacturer;

— designation of wire;

— the batch number;

— the number of packing stations;

— the net mass of wire;

the results of the test wire;

— the date of shipment.

(Changed edition, Rev. N 3).

3.2. Appearance and size check on each reel.

3.3. To check the mechanical properties of the wire, the thickness of the copper shell and the electrical resistance is taken 5% of the skeins, but not less than three skeins.

3.4. If unsatisfactory test results of at least one of the indicators it is carried out re-tests on twice the number of skeins.

The results of repeated tests apply to the entire party.

(Changed edition, Rev. N 2).

4. TEST METHODS

4.1. For each test taken one sample from each of the rolls selected according to claim 3.3.

4.2. Inspection of the wire surface is carried out visually without the use of magnifying devices. The depth of the defect in the wire shall be determined by its removal by the sweep followed a comparative measurement of the diameter of the wire in the stripped and unstripped areas.

4.3. Diameter and ovality of wire measured with a micrometer according to GOST and GOST 6507−90 4381−87 in two mutually perpendicular directions of the same cross section wire.

4.4. Test wire on the rupture strength carried out according to GOST 10446−80.

4.5. Test the wire on the bend is carried out according to GOST 1579−93.

4.6. Test wire torsion is carried out according to GOST 1545−80.

4.7. The test of wire on the winding is carried out according to GOST 10447−93.

4.8. Control the electrical resistance of the wire is carried out according to GOST 7229−76.

Under the control by automatic devices the value of the electrical resistance is determined by dividing the total electrical resistance of a coil in its length. In this case, the customer has the right to inspect the total electrical resistance of a coil as a whole.

4.9. Control of the thickness of the copper shell is carried out on transverse sections using a microscope or other measuring device with an accuracy of up to 0.01 mm.

5. PACKING, MARKING, TRANSPORTATION AND STORAGE

5.1. Each coil of wire shall be tied in at least three places with wire to GOST 3282−74 or other wire according to normative-technical documentation with a paper gasket in the areas of dressing and wrapped with a layer of film or fabric.

When mechanized packaging a coil of wire must be wrapped with a layer of cable crepe paper according to GOST 10396−84 or paper brand CMS-170, or other crepe paper according to normative-technical documentation for an equivalent protective properties, or a polymer film with simultaneous locking packaging wire churchyard 3282−74 or other wire.

The quality of packaging materials used:

the polymeric film according to GOST 10354−82, GOST 16272−79 or other polymer film according to normative-technical documentation;

packing holstoproshivny or laminated fabric, stitched ribbon from textile industry waste or woven fabrics of chemical fibers according to normative-technical documentation.

Wire that is sent to the far North and remote areas, Packed in accordance with GOST 15846−79*.
________________
* On the territory of the Russian Federation GOST 15846−2002. — Note the manufacturer’s database.

(Changed edition, Rev. N 1, 2).

5.2. Coils of wire of the same size and brand can be tied in the Bay.

5.3. Weight of cargo must not exceed 80 kg.

Allowed the package to enlarge in transport packets according to GOST and GOST 24597−81 21650−76.

(Changed edition, Rev. N 1, 2).

5.4. Each Bay or coils of wire shall be securely attached a label, which indicate:

is the trademark or name and trademark of manufacturer;

— designation of wire;

— electric resistance;

the length of wire on a reel;

— stamp of technical control.

If the wire is not subjected to continuous control in the production process, the resistance and length of wire on a reel on the label does not specify.

(Changed edition, Rev. N 1, 2).

5.5. Wire is transported by all kinds of transport in accordance with cargo carriage regulations applicable to transport of this species.

Transportation of the wire rail is carload or small shipments.

It is allowed to transport wire in a universal medium-duty containers.

(Changed edition, Rev. N 2).

5.6. Storing wire on storage conditions 6 GOST 15150−69.

(Added, Rev. N 1).

5.7. Transport marking — according to GOST 14192−96.

(Added, Rev. N 2).

The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
M.: IPK Publishing house of standards, 1998